81843916

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:93

約数の個数: 144

約数和(自身を含む): 201096000

約数和(自身を除く): 119252084

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 29, 34, 44, 49, 58, 68, 77, 98, 116, 119, 121, 154, 187, 196, 203, 238, 242, 308, 319, 343, 374, 406, 476, 484, 493, 539, 638, 686, 748, 812, 833, 847, 986, 1078, 1276, 1309, 1372, 1421, 1666, 1694, 1972, 2057, 2156, 2233, 2618, 2842, 3332, 3388, 3451, 3509, 3773, 4114, 4466, 5236, 5423, 5684, 5831, 5929, 6902, 7018, 7546, 8228, 8932, 9163, 9947, 10846, 11662, 11858, 13804, 14036, 14399, 15092, 15631, 18326, 19894, 21692, 23324, 23716, 24157, 24563, 28798, 31262, 36652, 37961, 39788, 41503, 48314, 49126, 57596, 59653, 62524, 64141, 75922, 83006, 96628, 98252, 100793, 109417, 119306, 128282, 151844, 166012, 169099, 171941, 201586, 218834, 238612, 256564, 265727, 338198, 343882, 403172, 417571, 437668, 531454, 676396, 687764, 705551, 835142, 1062908, 1203587, 1411102, 1670284, 1860089, 2407174, 2822204, 2922997, 3720178, 4814348, 5845994, 7440356, 11691988, 20460979, 40921958, 81843916]

約数ペア:

[(1, 81843916), (2, 40921958), (4, 20460979), (7, 11691988), (11, 7440356), (14, 5845994), (17, 4814348), (22, 3720178), (28, 2922997), (29, 2822204), (34, 2407174), (44, 1860089), (49, 1670284), (58, 1411102), (68, 1203587), (77, 1062908), (98, 835142), (116, 705551), (119, 687764), (121, 676396), (154, 531454), (187, 437668), (196, 417571), (203, 403172), (238, 343882), (242, 338198), (308, 265727), (319, 256564), (343, 238612), (374, 218834), (406, 201586), (476, 171941), (484, 169099), (493, 166012), (539, 151844), (638, 128282), (686, 119306), (748, 109417), (812, 100793), (833, 98252), (847, 96628), (986, 83006), (1078, 75922), (1276, 64141), (1309, 62524), (1372, 59653), (1421, 57596), (1666, 49126), (1694, 48314), (1972, 41503), (2057, 39788), (2156, 37961), (2233, 36652), (2618, 31262), (2842, 28798), (3332, 24563), (3388, 24157), (3451, 23716), (3509, 23324), (3773, 21692), (4114, 19894), (4466, 18326), (5236, 15631), (5423, 15092), (5684, 14399), (5831, 14036), (5929, 13804), (6902, 11858), (7018, 11662), (7546, 10846), (8228, 9947), (8932, 9163)]